Cloud didn't really understand what Riku was doing with his mouth, but that wasn't really his issue.
"If there is a question it can be brought to me." The only person here that could yell at him would be his brother or sister in law, really. "Come on," he nodded slightly down the hall.
"The King will not be easy for you to please. I suggest you keep confidence in your role at Sora's side. However, do not forget to respect him greatly." Riku needed the perfect balance between the two to convince Squall. This advice came some from his wife, some just because he had known Squall a long time. Some from personal experience. Just look at his own son and Hayner.